/*
 * Copyright (C) 2011, 2013-2015 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#pragma once

#include "ArrayProfile.h"
#include "include/JavaScriptCore/runtime/DumpContext.h"
#include "SpeculatedType.h"
#include "include/JavaScriptCore/runtime/Structure.h"
#include <wtf/TinyPtrSet.h>

namespace JSC {

    class TrackedReferences;

    class StructureSet : public TinyPtrSet<Structure *> {
    public:
        // I really want to do this:
        // using TinyPtrSet::TinyPtrSet;
        //
        // But I can't because Windows.

        StructureSet() {
        }

        StructureSet(Structure *structure)
                : TinyPtrSet(structure) {
        }

        ALWAYS_INLINE StructureSet(const StructureSet &other)
                : TinyPtrSet(other) {
        }

        Structure *onlyStructure() const {
            return onlyEntry();
        }

        void dumpInContext(PrintStream &, DumpContext *) const;

        void dump(PrintStream &) const;
    };

} // namespace JSC
